Botulinum toxin can spread into a distance of thirty–45 mm with the injected muscles into the adjacent muscles, even if these muscles are separated by fasciae. Neck muscles are vulnerable to diffusion of botulinum toxin, and paralysis of the wrong muscles leads to dysphonia, dysphagia or dystonia. Delicate and https://jetonlinepharma.us/product-category/botulinum-toxins/